Top Database Interview Questions - shikshaglbe

1. What are the different types of databases2. What is a relational database3. What is a table 4. What is a field5. What is a record6. What are the different types of data in a database7. What are the different types of keys in a database1. What is a database2. What are the most popular databases3. What are the differences between relational and non-relational databases4. What are some of the most popular database management systems5. How do you design a database6. How do you query a database7. What are some of the most common SQL commands1. What is a databaseA database is a collection of data that can be accessed by computers. A database can be divided into tables and fields. Tables are the basic structure of a database, and fields are the specific information that is stored in each table.2. What is a primary keyA primary key is a field in a table that uniquely identifies each record in the table. A primary key can be either a single field or a combination of fields.3. What is a foreign key?A foreign key is a field in a table that corresponds to a primary key in another table. Foreign keys are used to create relationships between tableWhat is a relationshipA relationship is a connection between two or more tables in a database. Relationships are created using foreign keys. What is a databaseA database is a collection of data that can be accessed by computers. A database can be divided into tables and fields. Tables are the structure of the database and fields are the actual data.2. What are the most popular databases?The most popular databases are MySQL, Microsoft SQL Server, and Oracle.3. What is a primary keyA primary key is a field in a table that uniquely identifies each record in the table. A primary key can be either a number or a text field.4. What is a foreign key foreign key is a field in a table that links to another table in the database. Foreign keys are used to create relationships between tables 1. What is your favorite database? What is a primary key What is a foreign key What are the different types of joins?A database is a collection of data that can be accessed by computers. The data is organized in a specific way and is usually stored on a server.2The most popular databases are MySQL, Oracle, Microsoft SQL Server, and IBM DB2.3. What are the differences between these databases Each database has its own strengths and weaknesses. For example, MySQL is known for being fast and easy to use, while Oracle is known for being more powerful and scalable. Microsoft SQL Server is also powerful and scalable, but it can be more difficult to use than other databases.1. What is a database?A database is a collection of data that can be accessed by computers. A database can be divided into tables and fields. Tables are the structure of the database and fields are the actual data that is stored in the database. What is a relational databaserelational database is a type of database that stores data in tables. The data in each table is related to the data in other tables. This relationship between tables is what makes a relational database so powerful.. What are some of the most popular databasesThe most popular databases are MySQL, Oracle, Microsoft SQL Server, and IBM DB2. There are many other databases available, but these four are the most widely used.4. What is SQLSQL stands for Structured Query Language. SQL is a standard language for accessing and manipulating databases. Most databases support SQL, so it is a good language to learn if yo What is a database. What are the most popular databases. What are the differences between SQL and NoSQL databases. How can I learn more about databasesWhat is a DatabaseA database is a collection of data that can be accessed by computers. The data is organized in a specific format and can be searched, updated, and deleted as needed.. What are the most popular database The most popular databases are MySQL, Microsoft SQL Server, Oracle, and IBM DB2. What are the differences between these databasesMySQL is an open-source database that is free to use. Microsoft SQL Server is a commercial database that costs money to use. Oracle is also a commercial database but has more features than SQL Server. IBM DB2 is another commercial database with even more features than Oracle.

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